How to say in Czech: Their Spanish is very good.

English
is very good.
Czech
Jejich španělština je velmi dobrá.
I do not speak Spanish very well.
You speak Spanish very well.
How good is their Spanish?
Their Spanish is getting better.
Their native language is Spanish.
Are they learning Spanish on their own?
He is learning Spanish.
He is not Spanish.
He is Spanish.
Is he learning Spanish?

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